Year	current US$
1960	519999.980926514
1961	569999.990984797
1962	560000.002384186
1963	0
1964	0
1965	719999.998807907
1966	270000.005140901
1967	559999.98934567
1968	1050000.00819564
1969	1329999.99448657
1970	2129999.96542931
1971	6469999.92802739
1972	9329999.94233251
1973	5370000.00290573
1974	13980000.106617799
1975	15930000.416934501
1976	18940000.3477931
1977	14299999.453127401
1978	43219998.8830835
1979	39059999.7173995
1980	29199999.710544903
1981	24049999.9616295
1982	15569999.8475611
1983	10290000.174194599
1984	7610000.13165176
1985	20759999.617934197
1986	32239999.0782142
1987	32860000.574961297
1988	26299999.4456768
1989	23459999.620914496
1990	22390000.3060699
1991	22160000.20504
1992	35739999.7804314
1993	27470000.1217425
1994	43010000.4784763
1995	56159998.9775568
1996	96200000.7517636
1997	105270002.66499801
1998	60339999.5919317
1999	95069998.1860816
2000	66459998.7268448
2001	116530001.118779
2002	106949998.6507
2003	86070002.047345
2004	137550001.12205702
2005	153190001.830459
2006	123569999.165833
2007	103470000.207424
2008	139759996.324778
2009	128770001.99258299
2010	119150001.347065
2011	124709998.823702
2012	90160003.900528
2013	74199998.9040196
2014	58309999.9278784
2015	25590000.1581758
2016	22459999.714046698
2017	42560000.4866719
2018	44469999.451190196
2019	34179999.396204896
2020	30619999.5391071
2021	32800000.814721003
2022	24120000.578463048